Method of treating a fibrous cooking utensil



United States Patent 0 minutes, more or less. The utensil may have been previously formed into the desired shape, or it may be subser 2729 579 quently shaped after immersion, if desired. After the utensils have been immersed twenty minutes, more or less, METHOD OF TREATINGAFIBROUS COOKING 6 as specified above, they are allowed to drain and are UTENSIL then oven dried at a temperature of 125 Fahrenheit. After the utensils have been treated as specified above, George Rhone Long Beach they are then immersed in a saturated solution of calcium No Drawing. Application July 16, 1953, chloride or aluminum chloride for five minutes, are then Serial 363,529 It) allowed to drain and are then oven dried at a temperature of 125 Fahrenheit.

3 Claims 117-143) The last step in the treating method or process, namely, that of immersing the utensil in a metallic chloride, serves the purpose of setting the action of the immersion in the This invention relates to a method of treating a cellufirst solution above described. There is a chemical relose fibrous utensil, such as a pie or cake pan, and in which action between the metallic chloride and certain chemicals pies, cakes, fish, meats, etc., may be cooked and served of the first described solution, namely, the metallic siliall in the same utensil. My method of treating the cellucates. After the steps, as described above, the cellulose lose fiber cooking utensil renders the utensil heat resistant fiber utensil is quite rigid. It will carry a considerable to the extent that the utensil may be placed in an oven weight without distorting or deforming, and it will take and various foods may be directly cooked therein. the required heat to cook the food in the utensil, for ex- The utensil, produced in accordance with my invention, ample, a temperature of around 400 Fahrenheit. is inexpensive and serviceable and may be discarded after Having described my invent I Claim! a single use, if desired. The utensil, produced in accord- 1- The method of treating a cooking utensil formed of ance with my invention, may be formed of any desirable a cellulose fiber which consists in first immersing the cellucellulose fibrous material, this material being preferably l r en i n a l n, n i ng of mm nium pressed in a die to the shape required for its particular use sulp t 3 parts y volume, borax 1 p y volume, as a cooking and serving utensil. cium carbonate 2 parts by volume, ferric oxide 1 part by The utensil, produced according to my invention, will Volume, aluminum Silicate 1 P y Volume, sodium withstand the high temperatures required to cook or bake Cate 10 Paris y Volume and Waiel' 5 Paris y Volume, then certain foods, and will also have the necessary strength y g the utensil 3! Fahrenheit, then immersing the and rigidity to m t the mechanical re uire e ts of utensil in a solution of calcium chloride, and then drying modern baking processes. The utensil, formed of a celluthe utensil at 'a temperature of ahren e tlose fiber, has a certain porosity so that it will absorb and 2- The method of treating a cooking utensil formedvof retain certain chemicals, and also being porous will more a cellulose fiber which consists in first immersing the readily transmit heat so that the food product contained tensil n a s l t consisting of ammonium sulphate 3 therein will cook r bake more rapidly, parts by volume, borax 1 part by volume, calcium carbo- To illustrate a complete and satisfactory procedure and Hate 2 Parts y Volume, ferric Oxide 1 P y Volume, process for the production of a cooking utensil in accordaluminum s licate 1 part by volume, sodium silicate 10 ance with my invention, a cellulose fibrous material is 40 part y volume and water 5 parts y volume, t e y g impregnated with a substance compounded as follows; the utensil, then immersing the utensil in a saturated solu Parts tion of calcium chloride, and then again drying the utensil. Ammonium Sulphate 3 3. The method of treating a cooking utensil formed of Borax 1 a cellulose fiber WhlCh consists in first immersing the cook- Calcium carbonate 2 lng utensil for twenty minutes in a solution, consisting of Ferric oxide 1 ammonium sulphate 3 parts by volume, borax 1 part by minum silicate 1 volume, calcium carbonate 2 parts by volume, ferric oxide fia w 10 1 part by volume, aluminum silicate 1 part by volume, water 5 sodium silicate 10 parts by volume and water 5 parts by volume, then oven drying the utensils at a temperature of The parts herein designated are preferably by volume. 325 Fahrenheit, then immersing the utensils in a saturated The lflgl'edlems Speclfied aboye are thorollghly mlxed and solution of calcium chloride for five minutes, then oven are then allowed to stand quiescent for eight hours. The drying the il at a tempgrature f 125 Fahrenheit cellulose fibrous pulp material is then impregnated with the above liquid by immersing the material for twenty No references cited. 

1. THE METHOD OF TREATING A COOKING UTENSIL FORMED OF A CELLULOSE FIBER WHICH CONSISTS IN FIRST IMMERSING THE CELLULOSE FIBER UTENSIL IN A SOLUTION, CONSISTING OF AMMONIUM SULPHATE 3 PARTS BY VOLUME, BORAX 1 PART BY VOLUME, CALCIUM CARBONATE 2 PARTS BY VOLUME, FERRIC OXIDE 1 PART BY VOLUME, ALUMINUM SILICATE 1 PART BY VOLUME, SODIUM SILICATE 10 PARTS BY VOLUME AND WATER 5 PARTS BY VOLUME, THEN DRYING THE UTENSIL AT 125* FAHREHEIT, THEN IMMERSING THE UTENSIL IN A SOLUTION OF CALCIUM CHLORIDE, AND THEN DRYING THE UTENSIL AT A TEMPERATURE OF 125* FAHRENHEIT. 